参数资料
型号: ADM9690AR
厂商: ANALOG DEVICES INC
元件分类: 电源管理
英文描述: Power Supply and Watchdog Timer Monitoring Circuit
中文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8
封装: SOIC-8
文件页数: 2/6页
文件大小: 76K
代理商: ADM9690AR
–2–
REV. A
ADM9690–SPECIFICATIONS
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
V
CC
OPERATING VOLTAGE RANGE
4.3
5.5
V
SUPPLY CURRENT
55
100
μ
A
RESET AND WATCHDOG TIMER
Reset Voltage Threshold
Reset Threshold Hysteresis
Reset Timeout Delay (t
1
)
RESET(2
)
Timeout Delay (t
2
)
4.2
4.31
30
50
10
4.42
V
mV
ms
ms
V
MON
Falling T
A
= 0
°
C to +70
°
C
75
15
Figure 7, 8
Figure 7, 8
WATCHDOG TIMEOUT PERIOD (TWD)
0.4
1.0
9.0
18
0.75
1.5
12.5
25
1.28
2.4
19
38
ms
ms
ms
ms
SEL2 = 0, SEL1 = 0
SEL2 = 0, SEL1 = 1
SEL2 = 1, SEL1 = 0
SEL2 = 1, SEL1 = 1
WDI INPUT PULSEWIDTH
RESET(1)/(2
)
Output Voltage
100
ns
V
V
V
V
V
IL
= 0.4, V
IH
= 3.5 V
I
SINK
= 3.2 mA
I
SINK
= 10 mA,
I
SINK
= 15 mA,
I
SOURCE
= 1
μ
A
0.1
0.3
0.45
0.4
0.4
0.7
3.5
WDI INPUT THRESHOLD
Logic Low
Logic High
WDI Input Current
0.8
V
V
μ
A
μ
A
μ
A
μ
A
150 ns Pulse
150 ns Pulse
WDI = V
CC
WDI = 0 V
SEL = V
CC
SEL = 0 V
3.5
1.2
–1.2
5
–5
–1
–10
SEL1/2 Input Current
+1
10
–5
Specifications subject to change without notice.
(V
CC
= Full Operating Range. T
A
= T
MIN
to T
MAX
unless otherwise noted)
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